function $(id) { return document.getElementById(id); }
	function addLoadEvent(func){
		var oldonload = window.onload;
		if (typeof window.onload != 'function') {
			window.onload = func;
		} else {
			window.onload = function(){
				oldonload();
				func();
			}
		}
	}

	function moveElement(elementID,final_x,final_y,interval) {
	  if (!document.getElementById) return false;
	  if (!document.getElementById(elementID)) return false;
	  var elem = document.getElementById(elementID);
	  if (elem.movement) {
		clearTimeout(elem.movement);
	  }
	  if (!elem.style.left) {
		elem.style.left = "0px";
	  }
	  if (!elem.style.top) {
		elem.style.top = "0px";
	  }
	  var xpos = parseInt(elem.style.left);
	  var ypos = parseInt(elem.style.top);
	  if (xpos == final_x && ypos == final_y) {
			return true;
	  }
	  if (xpos < final_x) {
		var dist = Math.ceil((final_x - xpos)/10);
		xpos = xpos + dist;
	  }
	  if (xpos > final_x) {
		var dist = Math.ceil((xpos - final_x)/10);
		xpos = xpos - dist;
	  }
	  if (ypos < final_y) {
		var dist = Math.ceil((final_y - ypos)/10);
		ypos = ypos + dist;
	  }
	  if (ypos > final_y) {
		var dist = Math.ceil((ypos - final_y)/10);
		ypos = ypos - dist;
	  }
	  if (ypos > final_y) {
		var dist = Math.ceil((ypos - final_y)/10);
		ypos = ypos - dist;
	  }
	  elem.style.left = xpos + "px";
	  elem.style.top = ypos + "px";
	  var repeat = "moveElement('"+elementID+"',"+final_x+","+final_y+","+interval+")";
	  elem.movement = setTimeout(repeat,interval);
	}
	function classNormal(iFocusBtnID,iFocusTxID){
		var iFocusBtns= $(iFocusBtnID).getElementsByTagName('li');
		var iFocusTxs = $(iFocusTxID).getElementsByTagName('li');
		for(var i=0; i<iFocusBtns.length; i++) {
			iFocusBtns[i].className='normal';
			iFocusTxs[i].className='normal';
		}
	}
	function classCurrent(iFocusBtnID,iFocusTxID,n){
		var iFocusBtns= $(iFocusBtnID).getElementsByTagName('li');
		var iFocusTxs = $(iFocusTxID).getElementsByTagName('li');
		iFocusBtns[n].className='current';
		iFocusTxs[n].className='current';
	}

	function iFocusChange() {
		if(!$('ifocus')) return false;
		$('ifocus').onmouseover = function(){atuokey = true};
		$('ifocus').onmouseout = function(){atuokey = false};
		var iFocusBtns = $('ifocus_btn').getElementsByTagName('li');
		var listLength = iFocusBtns.length;
		iFocusBtns[0].onmouseover = function() {
			moveElement('ifocus_piclist',0,0,5);
			classNormal('ifocus_btn','ifocus_tx');
			classCurrent('ifocus_btn','ifocus_tx',0);
		}
		if (listLength>=2) {
			iFocusBtns[1].onmouseover = function() {
				moveElement('ifocus_piclist',0,-240,5);
				classNormal('ifocus_btn','ifocus_tx');
				classCurrent('ifocus_btn','ifocus_tx',1);
			}
		}
		if (listLength>=3) {
			iFocusBtns[2].onmouseover = function() {
				moveElement('ifocus_piclist',0,-480,5);
				classNormal('ifocus_btn','ifocus_tx');
				classCurrent('ifocus_btn','ifocus_tx',2);
			}
		}
		if (listLength>=4) {
			iFocusBtns[3].onmouseover = function() {
				moveElement('ifocus_piclist',0,-720,5);
				classNormal('ifocus_btn','ifocus_tx');
				classCurrent('ifocus_btn','ifocus_tx',3);
			}
		}
		if (listLength>=5) {
			iFocusBtns[4].onmouseover = function() {
				moveElement('ifocus_piclist',0,-960,5);
				classNormal('ifocus_btn','ifocus_tx');
				classCurrent('ifocus_btn','ifocus_tx',4);
			}
		}
	}

	setInterval('autoiFocus()',3500);
	var atuokey = false;
	function autoiFocus() {
		if(!$('ifocus')) return false;
		if(atuokey) return false;
		var focusBtnList = $('ifocus_btn').getElementsByTagName('li');
		var listLength = focusBtnList.length;
		for(var i=0; i<listLength; i++) {
			if (focusBtnList[i].className == 'current') var currentNum = i;
		}	
		
		if (currentNum==0&&listLength!=1 ){
			moveElement('ifocus_piclist',0,-240,5);
			classNormal('ifocus_btn','ifocus_tx');
			classCurrent('ifocus_btn','ifocus_tx',1);
		}
		if (currentNum==1&&listLength!=2 ){
			moveElement('ifocus_piclist',0,-480,5);
			classNormal('ifocus_btn','ifocus_tx');
			classCurrent('ifocus_btn','ifocus_tx',2);
		}
		if (currentNum==2&&listLength!=3 ){
			moveElement('ifocus_piclist',0,-720,5);
			classNormal('ifocus_btn','ifocus_tx');
			classCurrent('ifocus_btn','ifocus_tx',3);
		}
		if (currentNum==3&&listLength!=4 ){
			moveElement('ifocus_piclist',0,-960,5);
			classNormal('ifocus_btn','ifocus_tx');
			classCurrent('ifocus_btn','ifocus_tx',4);
		}
		if (currentNum==4 ){
			moveElement('ifocus_piclist',0,0,5);
			classNormal('ifocus_btn','ifocus_tx');
			classCurrent('ifocus_btn','ifocus_tx',0);
		}
		if (currentNum==1&&listLength==2 ){
			moveElement('ifocus_piclist',0,0,5);
			classNormal('ifocus_btn','ifocus_tx');
			classCurrent('ifocus_btn','ifocus_tx',0);
		}
		if (currentNum==2&&listLength==3 ){
			moveElement('ifocus_piclist',0,0,5);
			classNormal('ifocus_btn','ifocus_tx');
			classCurrent('ifocus_btn','ifocus_tx',0);
		}
	}
	addLoadEvent(iFocusChange);